Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Salicylic acid Benzoic Acid Phthalic acid Terephthalic acid Salicylic acid Benzoic Acid Phthalic acid Terephthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Oxygen Nitrogen Fluorine Neon Oxygen Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Acid Solution Base Polymer Acid Solution Base Polymer ANSWER DOWNLOAD EXAMIANS APP
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